Tag Archives: pipe organ

Data Format Following on from the previous post, we now move on to Data Formats and Data Generation. The system can play music in up to 8-part harmony, equivalent to 8 separate parts or voices in a choir, and keeps … Continue reading →

Following on from Part 1, the next stage is to explain how the BBC Micro actually interfaces with the organ to control the notes. The Switching Circuit in Parallel [Right: Transistor Switching for each Note – click image for bigger … Continue reading →

It’s been ages since I did a semi-tech talk at a BarCamp, since I usually talk about photography. But recently I’d been picking my Dad’s brains on his hardware hack which makes an old BBC Model B Micro play a … Continue reading →